Comment (by Roland Haas):

The documentation.tex file (which is just the empty skeleton) seems to fail to build and leaves the ProcaEvolve thornguide at http://einsteintoolkit.org/documentation/ThornGuide.php empty:

http://einsteintoolkit.org/thornguide/Proca/ProcaEvolve/documentation.html

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2246/thorn-procaevolve-is-lacking-a-readme-file